| Value | Category | Cases | |
|---|---|---|---|
| 1 | 8 | 2588 |
24.3%
|
| 2 | 9 | 2896 |
27.2%
|
| 3 | 10 | 3015 |
28.3%
|
| 4 | 11 | 2167 |
20.3%
|
| Sysmiss | 167 |